github.com/j-core.j-core-ice40
1
0
Fork 0
mirror of https://github.com/j-core/j-core-ice40.git synced 2026-03-06 19:21:14 +00:00
Code Issues Releases Wiki Activity

CPU comes up. Lattice SPR works. LCD works.

Browse Source
This commit is contained in:
J
2019-03-30 17:21:02 -04:00
parent 07025535a6
commit e14eca18c0
3 changed files with 451 additions and 388 deletions
Download Patch File Download Diff File Expand all files Collapse all files

BIN
ram.img
View File

Binary file not shown.

810
ram_init.vhd
View File

File diff suppressed because it is too large Load Diff

29
testrom/main_up5k_42s.c
View File

@@ -123,7 +123,7 @@ void
main_sh (void)
{
volatile int i;
unsigned int stat = 0x50;
unsigned int stat = 600000;
#if 0
KEYPORT = KEY_PRECHARGE;
@@ -138,30 +138,27 @@ main_sh (void)
#endif
led(0xe1);
#endif
if (march((void *)0x10000000, 3, 0) != -1) stat = 120000;
else if (march((void *)0x10000000, 3, 1) != -1) stat = 240000;
else if (march((void *)0x10000000, 3, 2) != -1) stat = 480000;
if (march((void *)0x10000000, 3, 0) != -1) stat = 0xe2;
else if (march((void *)0x10000000, 3, 1) != -1) stat = 0xe3;
else if (march((void *)0x10000000, 3, 2) != -1) stat = 0xe4;
// for (i=0; i<1200000; i++) {}
for (i=0; i<1200000; i++) {}
for (i=0; lcd_init[i] != 0xff; i++) lcd_inst(lcd_init[i]);
putstr ("LCD init\n");
lcd_loc(0, 1);
lcd_puts("Hit a Key!");
putstr ("LCD Welcome\n");
putstr ("LCD init\n");
#if 0
key_wait();
key();
lcd_loc(0, 1);
lcd_puts("Hello 123!");
#endif
#if 0
lcd_loc(0, 0); lcd_puts(hex(0x123ab678));
// lcd_loc(0, 0); lcd_puts(hex(0x123ab678));
for (i=0; i<8; i++) {
lcd_data(
(1<<(i+0 )) |
@@ -169,16 +166,16 @@ main_sh (void)
(1<<(i+16)) |
(1<<(i+24)));
}
#endif
for (i=0; i<800; i++) {}
led(stat);
for (i=0; i<800; i++) {}
led(0xaa);
for (;;) {
for (i=0; i<1200000; i++) {}
led(stat);
for (i=0; i<1200000; i++) {}
for (i=0; i<stat; i++) {}
led(0x55);
for (i=0; i<stat; i++) {}
led(0xaa);
}
#if 0